package com.wengzw.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.wengzw.commonutils.R;
import com.wengzw.eduservice.entity.EduTeacher;
import com.wengzw.eduservice.entity.vo.TeacherQuery;
import com.wengzw.eduservice.service.EduTeacherService;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author wengzw
 * @since 2021-06-25
 */
@RestController
@RequestMapping("/eduservice/edu-teacher")
//@CrossOrigin  //解决跨域
public class EduTeacherController {

    @Autowired
    private EduTeacherService teacherService;


//  1、查询讲师表的所有数据
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll")
    public R findAllTeacher() {
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items",list);
    }

    //  1、查询讲师表的所有数据
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll1")
    public List<EduTeacher> findAllTeacher1() {
        List<EduTeacher> list = teacherService.list(null);
        return list;
    }

// 逻辑删除
    @ApiOperation(value = "逻辑删除讲师")
    @CrossOrigin
    @DeleteMapping("{id}") //id需要通过路径传递
    public R removeTeacher(@ApiParam(name = "id", value = "讲师id", required = true) @PathVariable String id) {
        boolean flag = teacherService.removeById(id);
       if(flag) {
           return R.ok();
       }
       else {
           return R.error();
       }
    }

    //分页查询讲师的方法
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit) {
        //创建apge对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
        //调用方法实现分页
        teacherService.page(pageTeacher,null);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();
        return R.ok().data("total",total).data("rows",records);
    }

    //条件查询带分页
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery) {
        //创建apge对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        //多条件组合查询
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if(name != null){
            wrapper.like("name",name);
        }
        if(level != null){
            wrapper.eq("level",level);
        }
        if(begin != null){
            wrapper.ge("gmt_create",begin);
        }
        if(end != null){
            wrapper.le("gmt_modified",end);
        }
        //排序
        wrapper.orderByDesc("gmt_create");

        //调用方法实现分页
        teacherService.page(pageTeacher,wrapper);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();
        return R.ok().data("total",total).data("rows",records);
    }

    //添加讲师
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody(required = false) EduTeacher eduTeacher) {
//        System.out.println(eduTeacher);
        boolean save = teacherService.save(eduTeacher);
        if(save){
            return R.ok();
        }
        else {
            return R.error();
        }
    }

    //根据讲师id进行查询
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    //讲师修改功能
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher) {
        boolean flag = teacherService.updateById(eduTeacher);
        if(flag) {
            return R.ok();
        } else {
            return R.error();
        }
    }
}

